I have water in the Boston area. I grew up here and always thought the water was fine. Well, when I bought my house over 20 years ago, the device came with the house. I have to change the filter every 30-90 days and everyone I tell to get one of these simple devices just doesn't believe me. My filters are clogged with tiny particles that I would otherwise drink. Here's how the ad goes: Thanks, Culligan, man! - That's what you can't see, what these filters capture. means they work.
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